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The 7500 PS has same dimensions as beige G3 desktop PS. An ATX would not be quite a right shape. I also know an incredible man with a wealth of 7500 service parts which I could help myself to. But would it be compatible? That the mystery.
Please, just stop. Get an ATX PSU, plug it in, and be happy.
Also, unless I am mistaken most older Macs use a different method to trigger a startup than the Beige G3 and later models anyway.
Just stop thinking about the 7500 PSU. If you knew what you need to in order to make a 7500 PSU work then you would not have needed to ask in the first place
Listen to us for maximum happinessandminimum fried hardware.
My problem is that the [EXPENSIVE :disapprove: ] ATX PS is not matched the special shape of the desktop beige G3 PS. The [CHEAP :approve: ] 7500 PS would fit for perfection.
Actually, $50 buys an ATX PSU that can run a modern almost highend PC and has the advantage of being both new and more compatible and easily swappable into other (modernish) syetems, etc. It is likely to outlive the usefulness(or even functionality) of that Beige G3 anyway.
The 7500 PSU is fifteen yearsold. 8-o It will just be a failure point in the future(and it does not have as high of a capacity as the Beige G3 want, as someone before mentioned)
It is way way more work to wire up a 7500 PSU for a Beige unless you actually know what you are doing and have experience with this sort of thing.
If fit matters that much to you then take a 7500 PSU and an ATX PSU to a electronics repair shop and see if they will put the guts of the ATX PSU in the 7500 case. Then you get a modern PSU that has a perfect fit and no hackjob-wiring. To get it done properly will likely not be super cheap though...
There are bricks shooting out of my seat! I am furious! In what way is the 7500 PS not to be compatible with the beige G3 desktop? Is it the connector?
It is not compatible in more than one way. It is not worth it. In the time you spent asking us if we are wrong, you could have ordered an ATX PSU online and been done with it.
Bricks out of your seat you say? I would get that looked at by an experienced mason right away.
The pinout and startup trigger are wrong. The 7500 PSU is too old and under the higher load of the newer system would be stressed more than a 7500 would stress it. Extra load for such an old PSU(or any for that matter) = more heat and stress. Stress and heat = failure.
This PSU was designed for a completely different computer.
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